A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Sensitivity Analysis of New Reflective Cracking Model in Pavement Mechanistic-Empirical Design
Reflective cracking is one of the most common types of distresses that occur in composite pavement system. This study conducted extensive one-at-a-time (OAT) sensitivity analyses to determine the effects of traffic levels, structural design inputs, and material properties on AASHTOWare pavement mechanistic-empirical design (PMED) long-term (20 years) reflective cracking performance predictions for Iowa asphalt concrete (AC) over jointed plain concrete pavements (JPCP). The results showed that the most sensitive input to long-term (20 years) PMED reflective cracking predictions was joint spacing. The moderately sensitive inputs included JPCP layer thickness, AC thickness, tensile strength at -10 °C (14 °F), transfer joint load transfer equivalent (LTE), and the ratio of slabs distressed before and after restoration. The rest of the inputs investigated had either negligible or no impact on long-term (20 years) PMED reflective cracking predictions.
Sensitivity Analysis of New Reflective Cracking Model in Pavement Mechanistic-Empirical Design
Reflective cracking is one of the most common types of distresses that occur in composite pavement system. This study conducted extensive one-at-a-time (OAT) sensitivity analyses to determine the effects of traffic levels, structural design inputs, and material properties on AASHTOWare pavement mechanistic-empirical design (PMED) long-term (20 years) reflective cracking performance predictions for Iowa asphalt concrete (AC) over jointed plain concrete pavements (JPCP). The results showed that the most sensitive input to long-term (20 years) PMED reflective cracking predictions was joint spacing. The moderately sensitive inputs included JPCP layer thickness, AC thickness, tensile strength at -10 °C (14 °F), transfer joint load transfer equivalent (LTE), and the ratio of slabs distressed before and after restoration. The rest of the inputs investigated had either negligible or no impact on long-term (20 years) PMED reflective cracking predictions.
Sensitivity Analysis of New Reflective Cracking Model in Pavement Mechanistic-Empirical Design
Gopisetti, Leela Sai Praveen (author) / Ceylan, Halil (author) / Cetin, Bora (author) / Kim, Sunghwan (author) / Kaya, Orhan (author)
Geo-Congress 2020 ; 2020 ; Minneapolis, Minnesota
Geo-Congress 2020 ; 508-516
2020-02-21
Conference paper
Electronic Resource
English
Sensitivity Analysis of New Reflective Cracking Model in Pavement Mechanistic-Empirical Design
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